drm/i915/icl: Fix the TRANS_DDI_FUNC_CTL2 bitfield macro

This patch fixes the PORT_SYNC_MODE_MASTER_SELECT macro
to correctly do the left shifting to set the port sync
master select correctly.
I have tested this fix on ICL.

Fixes: 49edbd4 ("drm/i915/icl: Define TRANS_DDI_FUNC_CTL DSI registers")
Cc: Madhav Chauhan <[email protected]>
Cc: Jani Nikula <[email protected]>
Cc: <[email protected]> # v5.0+
Signed-off-by: Manasi Navare <[email protected]>
Reviewed-by: Jani Nikula <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]

Author: Manasi Navare

drivers/gpu/drm/i915/i915_reg.h

@@ -9352,7 +9352,7 @@ enum skl_power_gate {
 #define TRANS_DDI_FUNC_CTL2(tran)	_MMIO_TRANS2(tran, \
 						     _TRANS_DDI_FUNC_CTL2_A)
 #define  PORT_SYNC_MODE_ENABLE			(1 << 4)
-#define  PORT_SYNC_MODE_MASTER_SELECT(x)	((x) < 0)
+#define  PORT_SYNC_MODE_MASTER_SELECT(x)	((x) << 0)
 #define  PORT_SYNC_MODE_MASTER_SELECT_MASK	(0x7 << 0)
 #define  PORT_SYNC_MODE_MASTER_SELECT_SHIFT	0